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godot/platform/nacl/pepper_main.cpp

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/*************************************************************************/
/* pepper_main.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
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constitutes acceptance of these terms. If you do not agree with these terms,
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*/
#include <stdlib.h>
#include "os_nacl.h"
#include <GLES2/gl2.h>
#include <nacl/npupp.h>
#include <pgl/pgl.h>
#include <string.h>
#include <stdint.h>
static NPNetscapeFuncs kBrowserFuncs = { 0 };
static NPNetscapeFuncs* browser = &kBrowserFuncs;
static NPDevice* device3d_ = NULL;
static PGLContext pgl_context_;
static NPDeviceContext3D context3d_;
static int width_;
static int height_;
extern int nacl_main(int argc, char** argn, char** argv);
extern void nacl_cleanup();
NPExtensions* extensions = NULL;
static NPP npp_;
const int32_t kCommandBufferSize = 1024 * 1024;
// Plugin entry points
extern "C" {
// Plugin entry points
// Entrypoints -----------------------------------------------------------------
NPError NP_GetEntryPoints(NPPluginFuncs* plugin_funcs) {
plugin_funcs->version = 11;
plugin_funcs->size = sizeof(plugin_funcs);
plugin_funcs->newp = NPP_New;
plugin_funcs->destroy = NPP_Destroy;
plugin_funcs->setwindow = NPP_SetWindow;
plugin_funcs->newstream = NPP_NewStream;
plugin_funcs->destroystream = NPP_DestroyStream;
plugin_funcs->asfile = NPP_StreamAsFile;
plugin_funcs->writeready = NPP_WriteReady;
plugin_funcs->write = (NPP_WriteUPP)NPP_Write;
plugin_funcs->print = NPP_Print;
plugin_funcs->event = NPP_HandleEvent;
plugin_funcs->urlnotify = NPP_URLNotify;
plugin_funcs->getvalue = NPP_GetValue;
plugin_funcs->setvalue = NPP_SetValue;
return NPERR_NO_ERROR;
}
NPError NP_Shutdown() {
pglTerminate();
return NPERR_NO_ERROR;
}
NPError NP_GetValue(void* instance, NPPVariable variable, void* value);
char* NP_GetMIMEDescription();
NPError NP_Initialize(NPNetscapeFuncs* browser_funcs,
NPPluginFuncs* plugin_funcs) {
printf("NPP_Initialize\n");
memcpy(&kBrowserFuncs, browser_funcs, sizeof(kBrowserFuncs));
pglInitialize();
return NP_GetEntryPoints(plugin_funcs);
}
} // extern "C"
void Initialize3D() {
// Initialize a 3D context.
NPDeviceContext3DConfig config;
config.commandBufferSize = kCommandBufferSize;
NPError err = device3d_->initializeContext(npp_, &config, &context3d_);
if (err != NPERR_NO_ERROR) {
printf("Failed to initialize 3D context\n");
exit(1);
}
// Create a PGL context.
pgl_context_ = pglCreateContext(npp_, device3d_, &context3d_);
// Initialize the demo GL state.
//pglMakeCurrent(pgl_context_);
//GLFromCPPInit();
//pglMakeCurrent(NULL);
}
NPError NPP_New(NPMIMEType pluginType,
NPP instance,
uint16_t mode,
int16_t argc, char* argn[], char* argv[],
NPSavedData* saved) {
printf("NPP_New\n");
if (browser->version >= 14) {
npp_ = instance;
if (!extensions) {
browser->getvalue(npp_, NPNVPepperExtensions,
reinterpret_cast<void*>(&extensions));
// CHECK(extensions);
}
printf("%s: %i\n", __FUNCTION__, __LINE__);
device3d_ = extensions->acquireDevice(npp_, NPPepper3DDevice);
if (device3d_ == NULL) {
printf("Failed to acquire 3DDevice\n");
exit(1);
}
printf("%s: %i\n", __FUNCTION__, __LINE__);
/*
deviceaudio_ = extensions->acquireDevice(npp_, NPPepperAudioDevice);
if (deviceaudio_ == NULL) {
printf("Failed to acquire AudioDevice\n");
exit(1);
}
*/
Initialize3D();
pglMakeCurrent(pgl_context_);
nacl_main(argc, argn, argv);
pglMakeCurrent(NULL);
};
return NPERR_NO_ERROR;
}
NPError NPP_Destroy(NPP instance, NPSavedData** save) {
nacl_cleanup();
return NPERR_NO_ERROR;
}
void Destroy3D() {
printf("destroy 3d\n");
// Destroy the PGL context.
pglDestroyContext(pgl_context_);
pgl_context_ = NULL;
// Destroy the Device3D context.
device3d_->destroyContext(npp_, &context3d_);
}
static void iteration(void* data) {
(void)data;
OSNacl* os = (OSNacl*)OS::get_singleton();
if (!pglMakeCurrent(pgl_context_) && pglGetError() == PGL_CONTEXT_LOST) {
printf("******* Lost context! :O\n");
Destroy3D();
Initialize3D();
pglMakeCurrent(pgl_context_);
}
glViewport(0, 0, width_, height_);
os->iterate();
pglSwapBuffers();
pglMakeCurrent(NULL);
browser->pluginthreadasynccall(npp_, iteration, NULL);
};
NPError NPP_SetWindow(NPP instance, NPWindow* window) {
width_ = window->width;
height_ = window->height;
if (!pgl_context_)
Initialize3D();
// Schedule the first call to Draw.
OSNacl* os = (OSNacl*)OS::get_singleton();
OS::VideoMode vm;
vm.width = width_;
vm.height = height_;
vm.resizable = false;
vm.fullscreen = false;
os->set_video_mode(vm);
browser->pluginthreadasynccall(npp_, iteration, NULL);
return NPERR_NO_ERROR;
}
NPError NPP_NewStream(NPP instance,
NPMIMEType type,
NPStream* stream,
NPBool seekable,
uint16_t* stype) {
*stype = NP_ASFILEONLY;
return NPERR_NO_ERROR;
}
NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason) {
return NPERR_NO_ERROR;
}
void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname) {
}
int32_t NPP_Write(NPP instance,
NPStream* stream,
int32_t offset,
int32_t len,
void* buffer) {
return 0;
}
int32_t NPP_WriteReady(NPP instance, NPStream* stream) {
return 0;
}
void NPP_Print(NPP instance, NPPrint* platformPrint) {
}
int16_t NPP_HandleEvent(NPP instance, void* event) {
OSNacl* os = (OSNacl*)OS::get_singleton();
os->handle_event(event);
return 1;
}
void NPP_URLNotify(NPP instance,
const char* url,
NPReason reason,
void* notify_data) {
// PluginObject* obj = static_cast<PluginObject*>(instance->pdata);
}
static NPObject* Allocate(NPP npp, NPClass* npclass) {
return new NPObject;
}
static void Deallocate(NPObject* object) {
delete object;
}
// Return |true| if |method_name| is a recognized method.
static bool HasMethod(NPObject* obj, NPIdentifier method_name) {
char *name = NPN_UTF8FromIdentifier(method_name);
bool is_method = false;
if (strcmp((const char *)name, "start_package") == 0) {
is_method = true;
} else if (strcmp((const char*)name, "add_package_chunk") == 0) {
is_method = true;
} else if (strcmp((const char*)name, "end_package") == 0) {
is_method = true;
} else if (strcmp((const char*)name, "start_scene") == 0) {
is_method = true;
}
NPN_MemFree(name);
return is_method;
}
// I don't know what this is
static bool InvokeDefault(NPObject *obj, const NPVariant *args,
uint32_t argCount, NPVariant *result) {
if (result) {
NULL_TO_NPVARIANT(*result);
}
return true;
}
static uint8_t* mem = NULL;
static int pkg_size = 0;
static String pkgname;
static bool variant_is_number(const NPVariant& v) {
switch (v.type) {
case NPVariantType_Int32:
case NPVariantType_Double:
return true;
default:
return false;
}
return false;
};
static double variant_as_number(const NPVariant& v) {
switch (v.type) {
case NPVariantType_Int32:
return (double)v.value.intValue;
case NPVariantType_Double:
return (double)v.value.doubleValue;
default:
return 0;
}
return 0;
};
// Invoke() is called by the browser to invoke a function object whose name
// is |method_name|.
static bool Invoke(NPObject* obj,
NPIdentifier method_name,
const NPVariant *args,
uint32_t arg_count,
NPVariant *result) {
NULL_TO_NPVARIANT(*result);
char *name = NPN_UTF8FromIdentifier(method_name);
if (name == NULL)
return false;
bool rval = false;
OSNacl* os = (OSNacl*)OS::get_singleton();
if (strcmp(name, "start_package") == 0) {
printf("arg count is %i\n", arg_count);
for (int i=0; i<arg_count; i++) {
printf("type for %i is %i\n", i, args[i].type);
}
if (arg_count != 2) {
return false; // assuming "false" means error
};
if (args[0].type != NPVariantType_String) {
printf("arg 0 not string type %i\n", args[1].type);
return false;
};
if (!variant_is_number(args[1])) {
printf("arg 1 not number, type %i\n", args[1].type);
return false;
};
pkgname = String::utf8(args[0].value.stringValue.UTF8Characters, args[0].value.stringValue.UTF8Length);
pkg_size = (int)variant_as_number(args[1]);
mem = (uint8_t*)malloc(pkg_size);
printf("args %ls, %lf\n", pkgname.c_str(), variant_as_number(args[1]));
return true;
};
if (strcmp(name, "add_package_chunk") == 0) {
if (arg_count != 3) { // assuming arg_count starts from 1
return false; // assuming "false" means error
};
if (!variant_is_number(args[0])) return false;
if (args[1].type != NPVariantType_String) return false;
if (!variant_is_number(args[2])) return false;
if (!mem)
return false;
int ofs = variant_as_number(args[0]);
int len = variant_as_number(args[2]);
String s;
if (s.parse_utf8(args[1].value.stringValue.UTF8Characters, args[1].value.stringValue.UTF8Length)) {
printf("error parsing?\n");
};
uint8_t* dst = mem + ofs;
for (int i=0; i<len; i++) {
dst[i] = s[i];
};
//memcpy(mem + ofs, args[1].value.stringValue.UTF8Characters, len);
return true;
};
if (strcmp(name, "end_package") == 0) {
os->add_package(pkgname, mem, pkg_size);
return true;
};
if (strcmp(name, "start_scene") == 0) {
printf("start_scene!\n");
if (arg_count != 1) {
return false;
};
if (args[0].type != NPVariantType_String) return false;
printf("calling with param %s\n", args[0].value.stringValue.UTF8Characters);
printf("pepper iteration\n");
if (!pglMakeCurrent(pgl_context_) && pglGetError() == PGL_CONTEXT_LOST) {
printf("******* Lost context! :O\n");
Destroy3D();
Initialize3D();
pglMakeCurrent(pgl_context_);
}
os->start_scene(String::utf8(args[0].value.stringValue.UTF8Characters));
pglSwapBuffers();
pglMakeCurrent(NULL);
printf("returning true\n");
return true;
};
NPN_MemFree(name);
return rval;
}
static NPClass GodotClass = {
NP_CLASS_STRUCT_VERSION,
Allocate,
Deallocate,
NULL, // Invalidate is not implemented
HasMethod,
Invoke,
InvokeDefault,
NULL, // HasProperty is not implemented
NULL, // GetProperty is not implemented
NULL, // SetProperty is not implemented
};
static NPObject* npobject = NULL;
NPError NPP_GetValue(NPP instance, NPPVariable variable, void* value) {
NPError err = NPERR_NO_ERROR;
switch (variable) {
case NPPVpluginNameString:
*(reinterpret_cast<const char**>(value)) = "Pepper Test PlugIn";
break;
case NPPVpluginDescriptionString:
*(reinterpret_cast<const char**>(value)) =
"Simple Pepper plug-in for manual testing.";
break;
case NPPVpluginNeedsXEmbed:
*(reinterpret_cast<NPBool*>(value)) = 1;
break;
case NPPVpluginScriptableNPObject: {
if (npobject == NULL) {
npobject = NPN_CreateObject(instance, &GodotClass);
} else {
NPN_RetainObject(npobject);
};
void** v = reinterpret_cast<void**>(value);
*v = npobject;
} break;
default:
fprintf(stderr, "Unhandled variable to NPP_GetValue\n");
err = NPERR_GENERIC_ERROR;
break;
}
return err;
}
NPError NPP_SetValue(NPP instance, NPNVariable variable, void* value) {
return NPERR_GENERIC_ERROR;
}
NPError NP_GetValue(void* instance, NPPVariable variable, void* value) {
return NPP_GetValue(reinterpret_cast<NPP>(instance), variable, value);
}
char* NP_GetMIMEDescription() {
return const_cast<char*>("pepper-application/x-pepper-test-plugin;");
}
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